Home / 896,263.20-1,344,632.40-390,607.20

Finding the Fourth Proportional to 896,263.20, 1,344,632.40 and 390,607.20

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Solution

The fourth proportional to 896,263.20, 1,344,632.40 and 390,607.20 is: 586,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,263.20 : 1,344,632.40 = 390,607.20 : x
  2. Step 2: Convert to fraction form
    896,263.20/1,344,632.40 = 390,607.20/x
  3. Step 3: Cross multiply
    896,263.20x = 1,344,632.40 × 390,607.20
  4. Step 4: Simplify right side
    896,263.20x = 525,223,096,793.28
  5. Step 5: Solve for x
    x = 525,223,096,793.28/896,263.20
  6. Step 6: Final answer
    x = 586,014.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.